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Java prerequisites

Posted on 1997-12-17
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How much C++ should a person know in order to learn Java comfortably?

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Question by:clara
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imladris earned 50 total points
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The syntax of Java is very closely related to C and C++. So the more familiar one is with C or C++ the easier that aspect will be. Unlike those, Java is much more strongly geared towards Object Orientation. Where in C and C++ you can write procedural programs as before, in Java this is more tedious. In C and C++ you can write free standing functions. In Java you can't; everything is an Object.
The other substantive difference is the event model. This is more of an environment or Operating System issue, but as Java is multiplatform by design, it gets drawn into effort of learning the language. The event model is supported by the standard Java classes (kind of like the standard library in C) and will bear study, regardless of other experience.
On the other hand, as I'm sure you've heard, there are far fewer ways to quietly shoot yourself in the foot (i.e. without noticing until it is far too late). All the memory management issues, and the sometimes arcane rules about type casting, promotion and portability etc. etc. are done away with in Java.

So in summary, I suppose one could say that a working knowledge of C/C++ gets you half or three quarters of the way there; on the other hand it's not necessary.

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